Year	Number
1996	35.4838714599609
1998	36.8983955383301
2000	32.4468078613281
2002	22.7513236999512
2003	18.518518447876
2004	34.4827575683594
2005	17.5609760284424
2006	22.4390239715576
2007	31.5533981323242
2008	17.9611644744873
2009	36.3636360168457
2010	37.6190490722656
2011	20.8530807495117
2012	28.4360198974609
2013	28.9099521636963
2014	27.4038467407227
2015	19.0476188659668
2016	31.9047622680664
2017	40.9523811340332
2018	29.0476188659668
2019	25.7142848968506
2020	18.0952377319336
2021	11.4285717010498
2022	12.2641506195068